Set up and build campaigns in Meta, Google, and TikTok Ads Manager. Conduct daily optimization, including bid adjustments, budget pacing, and audience refinement. Manage ad testing, A/B variants, and performance comparisons. Track key metrics such as ROAS, CTR, CPA, conversion rate, and spend pacing. Prepare weekly and monthly performance reports with graphs, screenshots, and commentary drafts. Support audience research, keyword discovery, and competitive checks.